6413651653 has 4 divisors (see below), whose sum is σ = 6413884128. Its totient is φ = 6413419180.

The previous prime is 6413651641. The next prime is 6413651677. The reversal of 6413651653 is 3561563146.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3561563146 = 2 ⋅1780781573.

It is a cyclic number.

It is not a de Polignac number, because 6413651653 - 2⁹ = 6413651141 is a prime.

It is a super-2 number, since 2×6413651653² = 82269855052059264818, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6413651603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68251 + ... + 132232.

It is an arithmetic number, because the mean of its divisors is an integer number (1603471032).

Almost surely, 2^6413651653 is an apocalyptic number.

It is an amenable number.

6413651653 is a deficient number, since it is larger than the sum of its proper divisors (232475).

6413651653 is a wasteful number, since it uses less digits than its factorization.

6413651653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232474.

The product of its digits is 194400, while the sum is 40.

The square root of 6413651653 is about 80085.2773798031. The cubic root of 6413651653 is about 1857.9547075946.

The spelling of 6413651653 in words is "six billion, four hundred thirteen million, six hundred fifty-one thousand, six hundred fifty-three".